This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. comparative form of gutsy: more gutsy

"But they are usually quicker to spot opportunities and gutsier in pursuit of them, according to Mark Paper, chief operating officer of Business Partners International, a South African financial institution specializing in lending and investing in smaller companies."